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o Lock accesses to the page queues.

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This commit is contained in:
Alan Cox 2002-07-12 02:55:55 +00:00
parent a720097d24
commit 60e15726af
1 changed files with 3 additions and 2 deletions
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5
sys/vm/device_pager.c
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@ -226,9 +226,10 @@ dev_pager_getpages(object, m, count, reqpage)
*/
page = dev_pager_getfake(paddr);
TAILQ_INSERT_TAIL(&object->un_pager.devp.devp_pglist, page, pageq);
for (i = 0; i < count; i++) {
vm_page_lock_queues();
for (i = 0; i < count; i++)
vm_page_free(m[i]);
}
vm_page_unlock_queues();
vm_page_insert(page, object, offset);
return (VM_PAGER_OK);